package com.csust.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.csust.reggie.common.R;
import com.csust.reggie.domain.Employee;
import com.csust.reggie.service.IEmployeeService;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.util.DigestUtils;
import org.springframework.web.bind.annotation.*;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;

/**
 * @author yinweiguang
 * @date 2022-03-29 20:44
 */
@RestController
@Slf4j
@RequestMapping("/employee")
public class EmployeeController {

    @Autowired
    private IEmployeeService employeeService;


    /**
     * 员工登录
     * @param request
     * @param employee
     * @return
     */
    @PostMapping("/login")
    public R<Employee> login(HttpServletRequest request, @RequestBody Employee employee){
        // 1、 将页面提交的密码进行md5加密
        String password = employee.getPassword();
        password = DigestUtils.md5DigestAsHex(password.getBytes());
        // 2. 根据页面提交的用户名username 查询数据库
        LambdaQueryWrapper<Employee> queryChainWrapper = new LambdaQueryWrapper<>();
        queryChainWrapper.eq(Employee::getUsername,employee.getUsername());
        Employee emp = employeeService.getOne(queryChainWrapper);
        // 3. 如果没有查询到则返回登录失败结果
        if (emp == null) {
            return R.error("登录失败");
        }
        // 4. 密码比对，如果不一致则返回登录失败结果
        if (!password.equals(emp.getPassword())) {
            return R.error("登录失败");
        }

        // 5. 查看员工状态，如果为已禁用状态。则返回员工禁用的结果
        if (emp.getStatus() == 0) {
            return R.error("账号已禁用");
        }
        // 6. 登录成功，将员工id存入session并返回登录成功结果
        HttpSession session = request.getSession();
        session.setAttribute("employee",emp.getId());
        return R.success(emp);
    }

    @PostMapping("/logout")
    public R<String> logout(HttpServletRequest request){
        HttpSession session = request.getSession();
        session.removeAttribute("employee");
        return R.success("退出成功");
    }


    /**
     * 新增员工
     * @param employee
     * @return
     */
    @PostMapping
    public R<String> save(HttpServletRequest request,@RequestBody Employee employee){
        log.info("新增员工，员工信息：{}",employee.toString());

        //设置初始密码123456，需要进行md5加密处理
        employee.setPassword(DigestUtils.md5DigestAsHex("123456".getBytes()));

//        employee.setCreateTime(LocalDateTime.now());
//        employee.setUpdateTime(LocalDateTime.now());
//        //获得当前登录用户的id
//        Long empId = (Long) request.getSession().getAttribute("employee");
//        employee.setCreateUser(empId);
//        employee.setUpdateUser(empId);

        employeeService.save(employee);

        return R.success("新增员工成功");
    }

    @GetMapping("/page")
    public R<Page<Employee>> page(int page,int pageSize,String name){

        log.info("page = {},pageSize = {},name = {}" ,page,pageSize,name);
        //构造分页构造器
        Page pageInfo = new Page(page,pageSize);
        //构造条件构造器
        LambdaQueryWrapper<Employee> queryWrapper = new LambdaQueryWrapper();
        //添加过滤条件
        queryWrapper.like(StringUtils.isNotEmpty(name),Employee::getName,name);
        //添加排序条件
        queryWrapper.orderByDesc(Employee::getUpdateTime);

        //执行查询
        employeeService.page(pageInfo,queryWrapper);

        return R.success(pageInfo);
    }

    /**
     *  根据id修改员工信息
     * @param employee
     * @param  request
     * @return
     */
    @PutMapping
    public R<String> update(HttpServletRequest request,@RequestBody Employee employee) {
        log.info(employee.toString());
        // 修改的时间
//        employee.setUpdateTime(LocalDateTime.now());
//        //获得当前登录用户的id
//        Long empId = (Long) request.getSession().getAttribute("employee");
//        employee.setUpdateUser(empId);
        employeeService.updateById(employee);
        return R.success("修改成功");
    }

    @GetMapping("/{id}")
    public R<Employee> updateById(@PathVariable Long id){
        log.info("获取的id是： {}",id);
        Employee employee = employeeService.getById(id);
        return R.success(employee);
    }



}
